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/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "GUILabelControl.h"
#include "utils/CharsetConverter.h"
using namespace std;
CGUILabelControl::CGUILabelControl(int parentID, int controlID, float posX, float posY, float width, float height, const CLabelInfo& labelInfo, bool wrapMultiLine, bool bHasPath)
: CGUIControl(parentID, controlID, posX, posY, width, height)
, m_label(posX, posY, width, height, labelInfo, wrapMultiLine ? CGUILabel::OVER_FLOW_WRAP : CGUILabel::OVER_FLOW_TRUNCATE)
{
m_bHasPath = bHasPath;
m_iCursorPos = 0;
m_bShowCursor = false;
m_dwCounter = 0;
ControlType = GUICONTROL_LABEL;
m_startHighlight = m_endHighlight = 0;
m_minWidth = 0;
if ((labelInfo.align & XBFONT_RIGHT) && m_width)
m_posX -= m_width;
}
CGUILabelControl::~CGUILabelControl(void)
{
}
void CGUILabelControl::ShowCursor(bool bShow)
{
m_bShowCursor = bShow;
}
void CGUILabelControl::SetCursorPos(int iPos)
{
CStdString label = m_infoLabel.GetLabel(m_parentID);
if (iPos > (int)label.length()) iPos = label.length();
if (iPos < 0) iPos = 0;
m_iCursorPos = iPos;
}
void CGUILabelControl::SetInfo(const CGUIInfoLabel &infoLabel)
{
m_infoLabel = infoLabel;
}
void CGUILabelControl::UpdateColors()
{
m_label.UpdateColors();
CGUIControl::UpdateColors();
}
void CGUILabelControl::UpdateInfo(const CGUIListItem *item)
{
CStdString label(m_infoLabel.GetLabel(m_parentID));
if (m_bShowCursor)
{ // cursor location assumes utf16 text, so deal with that (inefficient, but it's not as if it's a high-use area
// virtual keyboard only)
CStdStringW utf16;
g_charsetConverter.utf8ToW(label, utf16);
CStdStringW col;
if ((++m_dwCounter % 50) > 25)
col = L"|";
else
col = L"[COLOR 00FFFFFF]|[/COLOR]";
utf16.Insert(m_iCursorPos, col);
g_charsetConverter.wToUTF8(utf16, label);
}
else if (m_startHighlight || m_endHighlight)
{ // this is only used for times/dates, so working in ascii (utf8) is fine
CStdString colorLabel;
colorLabel.Format("[COLOR %x]%s[/COLOR]%s[COLOR %x]%s[/COLOR]", (color_t)m_label.GetLabelInfo().disabledColor, label.Left(m_startHighlight),
label.Mid(m_startHighlight, m_endHighlight - m_startHighlight), (color_t)m_label.GetLabelInfo().disabledColor, label.Mid(m_endHighlight));
label = colorLabel;
}
m_label.SetMaxRect(m_posX, m_posY, m_width, m_height);
m_label.SetText(label);
}
void CGUILabelControl::Render()
{
m_label.SetColor(IsDisabled() ? CGUILabel::COLOR_DISABLED : CGUILabel::COLOR_TEXT);
m_label.SetMaxRect(m_posX, m_posY, m_width, m_height);
m_label.Render();
CGUIControl::Render();
}
bool CGUILabelControl::CanFocus() const
{
return false;
}
void CGUILabelControl::SetLabel(const string &strLabel)
{
// shorten the path label
if ( m_bHasPath )
m_infoLabel.SetLabel(ShortenPath(strLabel), "");
else // parse the label for info tags
m_infoLabel.SetLabel(strLabel, "");
if (m_iCursorPos > (int)strLabel.size())
m_iCursorPos = strLabel.size();
}
void CGUILabelControl::SetWidthControl(float minWidth, bool bScroll)
{
m_minWidth = minWidth;
m_label.SetScrolling(bScroll);
}
void CGUILabelControl::SetAlignment(uint32_t align)
{
m_label.GetLabelInfo().align = align;
}
#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
float CGUILabelControl::GetWidth() const
{
if (m_minWidth && m_minWidth != m_width)
return CLAMP(m_label.GetTextWidth(), m_minWidth, m_width);
return m_width;
}
bool CGUILabelControl::OnMessage(CGUIMessage& message)
{
if ( message.GetControlId() == GetID() )
{
if (message.GetMessage() == GUI_MSG_LABEL_SET)
{
SetLabel(message.GetLabel());
return true;
}
}
return CGUIControl::OnMessage(message);
}
CStdString CGUILabelControl::ShortenPath(const CStdString &path)
{
if (m_width == 0 || path.IsEmpty())
return path;
char cDelim = '\0';
size_t nPos;
nPos = path.find_last_of( '\\' );
if ( nPos != std::string::npos )
cDelim = '\\';
else
{
nPos = path.find_last_of( '/' );
if ( nPos != std::string::npos )
cDelim = '/';
}
if ( cDelim == '\0' )
return path;
CStdString workPath(path);
// remove trailing slashes
if (workPath.size() > 3)
if (workPath.Right(3).Compare("://") != 0 && workPath.Right(2).Compare(":\\") != 0)
if (nPos == workPath.size() - 1)
{
workPath.erase(workPath.size() - 1);
nPos = workPath.find_last_of( cDelim );
}
m_label.SetText(workPath);
float textWidth = m_label.GetTextWidth();
while ( textWidth > m_width )
{
size_t nGreaterDelim = workPath.find_last_of( cDelim, nPos );
if (nGreaterDelim == std::string::npos)
break;
nPos = workPath.find_last_of( cDelim, nGreaterDelim - 1 );
if ( nPos == std::string::npos )
break;
workPath.replace( nPos + 1, nGreaterDelim - nPos - 1, "..." );
m_label.SetText(workPath);
textWidth = m_label.GetTextWidth();
}
return workPath;
}
void CGUILabelControl::SetHighlight(unsigned int start, unsigned int end)
{
m_startHighlight = start;
m_endHighlight = end;
}
CStdString CGUILabelControl::GetDescription() const
{
return m_infoLabel.GetLabel(m_parentID);
}
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